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Codebook for NHGIS data file 'nhgis0063_ds172_2010_county'
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Contents
    - Data Summary
    - Data Dictionary
    - Citation and Use
 
Additional documentation on NHGIS data sources is available at: 
    https://www.nhgis.org/documentation/tabular-data 
 
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Data Summary
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Year:             2010
Geographic level: County (by State)
Dataset:          2010 Census: SF 1a - P & H Tables [Blocks & Larger Areas]
   NHGIS code:    2010_SF1a
   NHGIS ID:      ds172
Breakdown(s):     Geographic Subarea:
                     Total area (00)
 
Tables:
 
1. Urban and Rural
   Universe:    Total population
   Source code: P2
   NHGIS code:  H7W
 
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Data Dictionary
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Context Fields 
        GISJOIN:     GIS Join Match Code
        YEAR:        Data File Year
        REGIONA:     Region Code
        DIVISIONA:   Division Code
        STATE:       State Name
        STATEA:      State Code
        COUNTY:      County Name
        COUNTYA:     County Code
        COUSUBA:     County Subdivision Code
        PLACEA:      Place Code
        TRACTA:      Census Tract Code
        BLKGRPA:     Block Group Code
        BLOCKA:      Block Code
        CONCITA:     Consolidated City Code
        AIANHHA:     American Indian Area/Alaska Native Area/Hawaiian Home Land Code
        RES_ONLYA:   American Indian Reservation with Trust Lands; reservation only Code
        TRUSTA:      American Indian Reservation with Trust Lands; trust lands only Code
        AITSCEA:     Tribal Subdivision/Remainder Code
        TTRACTA:     Tribal Census Tract Code
        TBLKGRPA:    Tribal Block Group Code
        ANRCA:       Alaska Native Regional Corporation Code
        CBSAA:       Metropolitan Statistical Area/Micropolitan Statistical Area Code
        METDIVA:     Metropolitan Division Code
        CSAA:        Combined Statistical Area Code
        NECTAA:      New England City and Town Area Code
        NECTADIVA:   NECTA Division Code
        CNECTAA:     Combined New England City and Town Area Code
        UAA:         Urban Area Code
        URBRURALA:   Urban/Rural Code
        CDA:         Congressional District (111th Congress) Code
        SLDUA:       State Legislative District (Upper Chamber) Code
        SLDLA:       State Legislative District (Lower Chamber) Code
        ZCTA5A:      5-Digit Zip Code Tabulation Area Code
        SUBMCDA:     Subminor Civil Division Code
        SDELMA:      School District (Elementary)/Remainder Code
        SDSECA:      School District (Secondary)/Remainder Code
        SDUNIA:      School District (Unified)/Remainder Code
        NAME:        Area Name-Legal/Statistical Area Description (LSAD) Term-Part Indicator
        SABINSA:     School Attendance Area Code
 
Breakdown:
    Geographic Subarea: Total area (00)
 
    Table 1:     Urban and Rural
    Universe:    Total population
    Source code: P2
    NHGIS code:  H7W
        H7W001:      Total
        H7W002:      Urban
        H7W003:      Urban: Inside urbanized areas
        H7W004:      Urban: Inside urban clusters
        H7W005:      Rural
        H7W006:      Not defined for this file
 
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Citation and Use of NHGIS Data
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All persons are granted a limited license to use this documentation and the
accompanying data, subject to the following conditions:

* REDISTRIBUTION: You will not redistribute the data without permission.

  You may publish a subset of the data to meet journal requirements for accessing 
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* CITATION: You will cite NHGIS appropriately.

    * Publications and research reports employing NHGIS data (either tabular or GIS) 
      should include the following citation:

        Steven Manson, Jonathan Schroeder, David Van Riper, and Steven Ruggles. 
        IPUMS National Historical Geographic Information System: Version 14.0 
        [Database]. Minneapolis, MN: IPUMS. 2019. 
        http://doi.org/10.18128/D050.V14.0

    * Publications and research reports employing school attendance areas data 
      (either tabular or GIS) must cite it appropriately. The citation should 
      include the following:

        The College of William and Mary and the Minnesota Population Center.
        School Attendance Boundary Information System (SABINS): Version 1.0.
        Minneapolis, MN: University of Minnesota 2011.

    * For policy briefs, online resources, or articles in the popular press, we 
      recommend that you cite the use of NHGIS data as follows:

        IPUMS NHGIS, University of Minnesota, www.nhgis.org.

    * If possible, citations involving school attendance areas should also include
      the URL for the SABINS site:

        http://www.sabinsdata.org/.

These terms of use are a legally binding agreement. You can use the data only in 
accordance with these terms, and any other use is a violation of the agreement. 
Violations may result in revocation of the agreement and prohibition from using other 
IPUMS data. If IPUMS or our partners are harmed from your violation, you are 
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